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1F83-277 /
1F85-275 / 1F85-277
CONFIGURATION AND
TERMINAL OUTPUTS
Heat Pump 1
(HP1)
Heat Pump 2
(HP2)
Energized in
Cool Mode
Energized in
Heat, Off,
Emergency
Mode
No Output
2nd Stage
(Compressor)
Heat and
Cool Mode
1st Stage
(Compressor)
Blower/
Circulator
Fan Energized
on Call for
Heat or Cool.
Set Elect/Gas
Switch for
Emergency
Mode
Heat Mode
2nd Stage.
Emergency
Mode 2nd
Stage
Heat Mode
3rd Stage.
Emergency
Mode 2nd
Stage
Emergency
Mode
1st Stage
24 Volt
(Common)
Fault
Indicator
or
System
Malfunc-
tion
Switch
24 Volt
(Hot)
System
B
O
Y2
Y1
G
W2
E/W1
C*
L
R
CLASS II
TRANSFORMER
HOT
24VAC
NEUTRAL
120VAC
NOTE: If your system
does not provide an E
connection, jumper W2 to
E/W1 to use the Auxiliary
Heat in the Emergency
Mode.
Figure 2 – Heat Pump Systems
Single
Stage 1
(SS1)
Multi-
Stage 2
(MS2)
Energized
Constantly
in
Cool Mode
Energized
Constantly
in
Heat, Off,
Emergency
Mode
No Output
Cool Mode
2nd Stage
Cool Mode
1st Stage
Blower/
Circulator
Fan Energized
on Call for
Cool (and
Heat) if
configured
for Electric
Heat
No Output
Heat Mode
2nd Stage
Heat
Mode
1st Stage
24 Volt
(Common)
Fault
Indicator
(NOT
USED)
24 Volt
(Hot)
System
B
O
Y2
Y1
G
W2
E/W1
C*
L
R
CLASS II
TRANSFORMER
HOT
24VAC
NEUTRAL
120VAC
Figure 3 – Single Stage or Multi-Stage System (No Heat Pump)
INSTALLER/CONFIGURATION MENU
UNEM NOITARUGIFNOC
772-58F1572-58F1772-38F1
Displayed
Press
(Factory
or
Step Step
Step Button
Default)
Comments
1
1
1 SYSTEM MS 2
HP1, HP2, SS1 Selects Multi-Stage, Heat Pump 1
(1 Compressor), Heat Pump 2
(2 Compressor or 2 Speed Compressor),
or Single Stage
Selects Number of Programs per Week
N/A
2
3 SYSTEM PRG 4
PRG 2, PRG 0 Selects Programmable Periods
N/A
3
4 SYSTEM 4:00 HOLD 0:15 to 8:00
Selects Temporary Program Override Time
(increments of
NOTE: Maximum setting is 4:00 hours for
15 minutes)
1F85-277
N/A
4
5 SYSTEM EMR (on)
OFF
Selects Energy Management Recovery
OFF or ON
2
5
6 SYSTEM FA
SL
Selects Fast or Slow Cycle Selection
3
6
7 SYSTEM CL (OFF)
CL on
Selects Compressor Lockout CL OFF or ON
4
7
8 SYSTEM CdL (on)
CdL OFF
Selects Backlight Display
5
8
9 SYSTEM FA (on)
FA OFF
Selects Fast Second Stage ON or OFF
6
9
10 SYSTEM 0 FLTR
50-1950
Selects filter replacement run time
7
10
11 SYSTEM 0 (Room 4 LO to 4 HI
Selects Temperature Display Adjustment
Temp)
Selects
4 LO to 4 HI
8
11
12 SYSTEM F
C
For Centigrade selection
9
12
13 SYSTEM AU (on)
AU OFF
Selects Auto Mode ON or OFF
10
13
14 SYSTEM LR (90)
LR 62 to LR 89 Selects Limited HEAT range
11
14
15 SYSTEM LR (45)
LR 46 to LR 82 Selects Limited COOL range
SYSTEM (OFF)
on
Selects Keypad Lockout
000 If L/O 001 to 999
Selects Keypad Lockout combination number.
Press System to set code
noitisop FFO eht ot snruteR
NUR *
81
71
** SYSTEM
To enter the menu: Press the
System
button until
OFF
is displayed, then press
and
simultaneously.
* Programmable Models
** Non-Programmable Models
Check Box For Your Model Number
Menu
Reference
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
This displays menu item #1 in the table below.
Press
to select from
listed options
N/A N/A
2
SYSTEM (7)
5d, 0d
14
13
16
17
12
15
16
* Optional
* Optional
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